IL159704A0 - Dct matrix decomposing method and dct device - Google Patents

Dct matrix decomposing method and dct device

Info

Publication number
IL159704A0
IL159704A0 IL15970403A IL15970403A IL159704A0 IL 159704 A0 IL159704 A0 IL 159704A0 IL 15970403 A IL15970403 A IL 15970403A IL 15970403 A IL15970403 A IL 15970403A IL 159704 A0 IL159704 A0 IL 159704A0
Authority
IL
Israel
Prior art keywords
dct
decomposing method
matrix decomposing
dct matrix
dct device
Prior art date
Application number
IL15970403A
Other languages
English (en)
Original Assignee
Techno Mathematical Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Techno Mathematical Co Ltd filed Critical Techno Mathematical Co Ltd
Publication of IL159704A0 publication Critical patent/IL159704A0/xx

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Mathematical Optimization (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Algebra (AREA)
  • Discrete Mathematics (AREA)
  • Computing Systems (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Complex Calculations (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Image Processing (AREA)
IL15970403A 2001-07-11 2003-03-20 Dct matrix decomposing method and dct device IL159704A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001210815A JP3971135B2 (ja) 2001-07-11 2001-07-11 Ｄｃｔ行列分解方法及びｄｃｔ装置
PCT/JP2002/002663 WO2003009167A1 (fr) 2001-07-11 2002-03-20 Procede de decomposition de matrice dct et dispositif dct

Publications (1)

Publication Number Publication Date
IL159704A0 true IL159704A0 (en) 2004-06-20

Family

ID=19046226

Family Applications (2)

Application Number Title Priority Date Filing Date
IL15970403A IL159704A0 (en) 2001-07-11 2003-03-20 Dct matrix decomposing method and dct device
IL159704A IL159704A (en) 2001-07-11 2004-01-04 Dct matrix decomposing method and dct device

Family Applications After (1)

Application Number Title Priority Date Filing Date
IL159704A IL159704A (en) 2001-07-11 2004-01-04 Dct matrix decomposing method and dct device

Country Status (6)

Country Link
US (1) US20040170336A1 (xx)
EP (1) EP1406179A4 (xx)
JP (1) JP3971135B2 (xx)
CN (1) CN1526103B (xx)
IL (2) IL159704A0 (xx)
WO (1) WO2003009167A1 (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100885438B1 (ko) 2003-09-29 2009-02-24 에이전시 포 사이언스, 테크놀로지 앤드 리서치 시간 도메인에서 주파수 도메인으로 그리고 그 반대로디지털 신호의 도메인 변환을 수행하는 방법
US7587093B2 (en) * 2004-07-07 2009-09-08 Mediatek Inc. Method and apparatus for implementing DCT/IDCT based video/image processing
CN101546560B (zh) * 2008-03-28 2011-08-24 展讯通信（上海）有限公司 音频编解码装置及编解码方法
US9735803B2 (en) * 2014-03-05 2017-08-15 Mitsubishi Electric Corporation Data compression device and data compression method
CN107832170B (zh) * 2017-10-31 2019-03-12 北京金风科创风电设备有限公司 缺失数据的恢复方法和装置
CN107800437B (zh) * 2017-10-31 2019-03-26 北京金风科创风电设备有限公司 数据压缩方法和装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3185211B2 (ja) * 1989-12-15 2001-07-09 ソニー株式会社 行列データ乗算装置
JPH0540776A (ja) * 1991-08-02 1993-02-19 Fujitsu Ltd 二次元ｄｃｔマトリクス演算回路
EP0557204A3 (en) * 1992-02-21 1995-10-18 Sony Corp Discrete cosine transform apparatus and inverse discrete cosine transform apparatus
JP3155383B2 (ja) * 1992-02-28 2001-04-09 株式会社リコー ２モード処理装置、２次元変換装置及び静止画像データの圧縮システム
CA2094523C (en) * 1992-07-30 1999-05-25 Ephraim Feig Digital image processor for color image transmission
KR940004467A (ko) * 1992-08-26 1994-03-15 오오가 노리오 이산코사인 변환장치 및 그 역변환장치
JPH06103301A (ja) * 1992-09-17 1994-04-15 Sony Corp ８ｘ８離散コサイン変換回路および８ｘ８離散コサイン逆変換回路
US5523847A (en) * 1992-10-09 1996-06-04 International Business Machines Corporation Digital image processor for color image compression
US6112219A (en) * 1993-09-23 2000-08-29 Realnetworks, Inc. Method and apparatus for performing fast discrete cosine transforms and fast inverse discrete cosine transforms using look-up tables
JP3697717B2 (ja) * 1993-09-24 2005-09-21 ソニー株式会社 ２次元離散コサイン変換装置および２次元逆離散コサイン変換装置
CN1076838C (zh) * 1994-08-19 2001-12-26 财团法人工业技术研究院 离散余弦转换/反离散余弦转换电路的转置存储器
US5708732A (en) * 1996-03-06 1998-01-13 Hewlett-Packard Company Fast DCT domain downsampling and inverse motion compensation
US5894430A (en) * 1996-05-20 1999-04-13 Matsushita Electric Industrial Co., Ltd. Orthogonal transform processor
WO1999039303A1 (en) * 1998-02-02 1999-08-05 The Trustees Of The University Of Pennsylvania Method and system for computing 8x8 dct/idct and a vlsi implementation
US6119080A (en) * 1998-06-17 2000-09-12 Formosoft International Inc. Unified recursive decomposition architecture for cosine modulated filter banks

Also Published As

Publication number Publication date
EP1406179A1 (en) 2004-04-07
IL159704A (en) 2010-04-15
US20040170336A1 (en) 2004-09-02
CN1526103B (zh) 2010-05-12
CN1526103A (zh) 2004-09-01
EP1406179A4 (en) 2013-01-23
JP3971135B2 (ja) 2007-09-05
WO2003009167A1 (fr) 2003-01-30
JP2003030174A (ja) 2003-01-31

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